Water filter



FIG. 1 is a -perspective view of a water filter showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawing depict portions of water filter that form no part of the claimed design. 

CLAIM The ornamental design for water filter, as shown and described. 